Water & Hydration
Water & Hydration
Water is essential to nearly every function in the body, yet something as basic as how much water we need can be surprisingly confusing.
Our hydration needs can change as we get older, and thirst may become a less reliable signal. There are also practical questions about coffee and tea, electrolyte drinks, filtered water, and whether it's possible to drink too much water.
But there is another side to hydration: what happens to water after we drink it, how the body maintains the right fluid balance, and what happens when we become dehydrated. Illnesses involving vomiting, diarrhea, or fever can cause substantial losses of both water and electrolytes.
Explore the Articles
Explore the Articles